fix: allow also " inside of an embed

docs/embed-files.md

@@ -16,7 +16,7 @@ Then the content of `example.md` will be displayed directly here;
 
 You can check the original content for [example.md](_media/example.md ':ignore').
 
-Normally, this will compiled into a link, but in docsify, if you add `:include` it will be embedded.
+Normally, this will compiled into a link, but in docsify, if you add `:include` it will be embedded. You can use single or double quotation marks around as you like.
 
 External links can be used too - just replace the target. If you want to use a gist URL, see [Embed a gist](#embed-a-gist) section.
 

src/core/render/utils.js

@@ -23,8 +23,8 @@ export function getAndRemoveConfig(str = '') {
 
   if (str) {
     str = str
-      .replace(/^'/, '')
-      .replace(/'$/, '')
+      .replace(/^('|")/, '')
+      .replace(/('|")$/, '')
       .replace(/(?:^|\s):([\w-]+:?)=?([\w-%]+)?/g, (m, key, value) => {
         if (key.indexOf(':') === -1) {
           config[key] = (value && value.replace(/"/g, '')) || true;

test/unit/render-util.test.js

@@ -1,4 +1,7 @@
-const { removeAtag } = require('../../src/core/render/utils');
+const {
+  removeAtag,
+  getAndRemoveConfig,
+} = require('../../src/core/render/utils');
 
 const { tree } = require(`../../src/core/render/tpl`);
 
@@ -16,6 +19,46 @@ describe('core/render/utils', () => {
       expect(result).toEqual('content');
     });
   });
+
+  // getAndRemoveConfig()
+  // ---------------------------------------------------------------------------
+  describe('getAndRemoveConfig()', () => {
+    test('parse simple config', () => {
+      const result = getAndRemoveConfig(
+        `[filename](_media/example.md ':include')`
+      );
+
+      expect(result).toMatchObject({
+        config: {},
+        str: `[filename](_media/example.md ':include')`,
+      });
+    });
+
+    test('parse config with arguments', () => {
+      const result = getAndRemoveConfig(
+        `[filename](_media/example.md ':include :foo=bar :baz test')`
+      );
+
+      expect(result).toMatchObject({
+        config: {
+          foo: 'bar',
+          baz: true,
+        },
+        str: `[filename](_media/example.md ':include test')`,
+      });
+    });
+
+    test('parse config with double quotes', () => {
+      const result = getAndRemoveConfig(
+        `[filename](_media/example.md ":include")`
+      );
+
+      expect(result).toMatchObject({
+        config: {},
+        str: `[filename](_media/example.md ":include")`,
+      });
+    });
+  });
 });
 
 describe('core/render/tpl', () => {